Machine tool



FIG. 1 is a front perspective view of our machine tool.

FIG. 2 is a front view of our machine tool.

FIG. 3 is a back view of our machine tool.

FIG. 4 is a right side view of our machine tool.

FIG. 5 is a left side view of our machine tool.

FIG. 6 is a top view of our machine tool; and,

FIG. 7 is a bottom view of our machine tool.

The broken lines illustrate environmental features that form no part of the claimed design. 

CLAIM The ornamental design for a machine tool, as shown and described. 